Apex domains cannot have CNAME records.
Question and response
Question
dig winet.com.pe. NS
Answer
winet.com.pe. 5 NS ns-1271.awsdns-30.org.
winet.com.pe. 5 NS ns-1964.awsdns-53.co.uk.
winet.com.pe. 5 NS ns-264.awsdns-33.com.
winet.com.pe. 5 NS ns-982.awsdns-58.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0